Transfer Window LIVE

The champions are yet to win a game in 2014 after a New Year's day loss to Tottenham in the league was followed up by cup defeats against Swansea and Sunderland.

It is United's worst run of form since 1992, and manager David Moyes is keen to stamp his authority with new signings for a squad which, Marouane Fellaini aside, was entirely inherited from Sir Alex Ferguson's time at the club.